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Conferences > CLEO_Europe > 2017 > CH_1 > CH_1_6
  • 2017 European Conference on Lasers and Electro-Optics and European Quantum Electronics Conference
  • (Optica Publishing Group, 2017),
  • paper CH_1_6

Mid-Infrared Dual-Comb Spectroscopy with Microwave-Referenced Wavelength Calibration

O. Kara, Z. Zhang, T. Gardiner, and D. T. Reid

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Abstract

Dual-comb spectroscopy (DCS) [1] uses asynchronous broadband coherent sources to achieve Fourier-transform-like spectroscopy but with no moving parts and near-kHz acquisition rates [2]. Here we demonstrate dual-comb mid-infrared spectroscopy of methane gas using two free-running optical parametric oscillators (OPOs) with a repetition-rate difference of 500 Hz and complete optical calibration from a microwave reference.

© 2017 IEEE

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